Merge branch 'develop' of github.com:SmileGoat/PaddleSpeech into add_fbank

pull/1843/head
Yang Zhou 2 years ago
commit fef1a148da

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# Examples for SpeechX
* ds2_ol - ds2 streaming test under `aishell-1` test dataset.
The entrypoint is `ds2_ol/aishell/run.sh`
* `ds2_ol` - ds2 streaming test under `aishell-1` test dataset.
## How to run

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# Deepspeech2 Streaming ASR
* websocket
Streaming ASR with websocket.
## Examples
* aishell
Streaming Decoding under aishell dataset, for local WER test and so on.
* `websocket` - Streaming ASR with websocket.
* `aishell` - Streaming Decoding under aishell dataset, for local WER test.
## More
The below is for developing and offline testing:
> The below is for developing and offline testing. Do not run it only if you know what it is.
* nnet
* feat
* decoder

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# Aishell - Deepspeech2 Streaming
## CTC Prefix Beam Search w/o LM
## How to run
```
bash run.sh
```
## Results
### CTC Prefix Beam Search w/o LM
```
Overall -> 16.14 % N=104612 C=88190 S=16110 D=312 I=465
@ -8,7 +16,7 @@ Mandarin -> 16.14 % N=104612 C=88190 S=16110 D=312 I=465
Other -> 0.00 % N=0 C=0 S=0 D=0 I=0
```
## CTC Prefix Beam Search w/ LM
### CTC Prefix Beam Search w/ LM
LM: zh_giga.no_cna_cmn.prune01244.klm
```
@ -17,7 +25,7 @@ Mandarin -> 7.86 % N=104768 C=96865 S=7573 D=330 I=327
Other -> 0.00 % N=0 C=0 S=0 D=0 I=0
```
## CTC WFST
### CTC WFST
LM: [aishell train](http://paddlespeech.bj.bcebos.com/speechx/examples/ds2_ol/aishell/aishell_graph.zip)
--acoustic_scale=1.2

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